Miyuki has been raising her son on her own. Thanks to her hard work, her son has grown up without going astray, but... Miyuki, who has been so busy raising her child that she has put her own needs on the back burner, is masturbating for the first time in a long time. However, her son's friend, Tashiro, comes to visit. Miyuki offers her body to Tashiro after he takes a photo of her indecent behavior, so she does as he says...